Rainwater treatment device for sponge city

Abstract

The invention discloses a rainwater treatment device for a sponge city. Comprising a main box body, a cover body and a water storage tank fixedly installed in the main box body, the upper end and the lower end of the cover body are covered with a cavity opening of the main box body and a cavity opening of the water storage tank respectively, at least two butt joint bases of hollow structures are arranged at the bottom end of the cover body, and a turbine stirring head is connected to a rotating shaft of a motor; a first filter sleeve and at least one second filter sleeve sleeved outside the first filter sleeve are detachably arranged on the butt joint seat. According to the invention, multi-layer rainwater filtration is formed by virtue of the first filter sleeve and the plurality of second filter sleeves, and through the S-shaped filtration trend, the rainwater filtration strength can be effectively improved in a limited filtration space, and effective filtration of rainwater can be ensured; the motor is additionally arranged to drive the turbine stirring head to rotate, so that the turbine stirring head generates corresponding vortex pushing in the first filtering sleeve, and therefore the situation that rainwater runoff in the filtering cavity is too slow, and the rainwater collecting time is missed in the rainfall process is avoided.

Description

technical field [0001] The invention relates to the technical field of rainwater treatment equipment for sponge cities, in particular to a rainwater treatment device for sponge cities. Background technique [0002] As we all know, sponge city is a new generation of urban stormwater management concept. It means that cities can be like sponges and have good flexibility in adapting to environmental changes and responding to natural disasters caused by rainwater. It can also be called "water elastic city". ". The international term is "low-impact development of rainwater system construction", which absorbs water, stores water, seeps water, and purifies water when it rains, releases and utilizes the stored water when needed, and realizes the free migration of rainwater in the city. Starting from ecosystem services, building water ecological infrastructure across scales and combining multiple types of specific technologies to build water ecological infrastructure is the core of s...

AI Technical Summary

Problems solved by technology

[0003] At present, in order to give full play to the natural ecological function and artificial intervention function, effectively control the runoff of rainwater, and realize the urban development mode of natural accumulation, natural infiltration and natural purification, more and more people begin to pay attention to the rainwater treatment device used in the sponge city. However, Existing rainwater treatment devices cannot effectively clean up pollutants and impurities in time during sewage treatment

In order to strengthen the filtration of rainwater, the filtration intensity will be increased. Although the filtration effect has been improved, the filtration of rainwater will be very slow. During the rainfall period, it is difficult to collect rainwater quickly, which will cause the loss of rainwater

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